Telerik Forums
UI for WinForms Forum
1 answer
216 views

Seems that scrollbar sizes is not updated when switching from MetroTouch to any other theme.

 

How to reproduce:

Create a Form, change it to RadForm.

Add RadVScrollBar, dock it to the right.

Create two buttons, add onclick handlers

System::Void radButton1_Click(System::Object^  sender, System::EventArgs^  e) {
            Telerik::WinControls::ThemeResolutionService::ApplicationThemeName = "TelerikMetroTouch";
        }
System::Void radButton2_Click(System::Object^  sender, System::EventArgs^  e) {
             Telerik::WinControls::ThemeResolutionService::ApplicationThemeName = "Desert";
        }

Press button1, then button2. The scrollbar size is bigger than expected (see screenshot)

Telerik_UI_For_WinForms_2016_1_216_Dev.msi / VisualStudio2010 / C++CLI

Hristo
Telerik team
 answered on 26 May 2016
5 answers
192 views

Hi Telerik Team,

Does the evaluation of an expression in a column generates an Event? Or is there a way to intercept the evaluation process and
substitute/enhance with my own code?

The expressions that I need to use require data points that are not found in the dataset used in the GridView, so I need a way to
intercept the evaluation to swap string variables that are not in the dataset with the actual value found within the application or a different dataset.

Regards.

 

 

Dimitar
Telerik team
 answered on 26 May 2016
1 answer
162 views

I m using MultiColumn ComboBox in my application, the problem is I cannot change its default theme.

I tried this,

ThemeResolutionService.ApplicationThemeName = "Aqua";

and also tried,

MyColumnComboBox.ThemeName = "Aqua";

but still I can see the default theme. why it is overriding with the default theme. Please help me.

Hristo
Telerik team
 answered on 25 May 2016
2 answers
99 views

Hello,

 

if I print cells with HTMLRendering the text aligns to the top left of the cell and something equivalent to padding 0;0;0;0 is used. How do you fix that?

 

private void BestFitRadGridView_PrintCellFormatting(object sender, PrintCellFormattingEventArgs e)
       {
           e.PrintCell.Font = new Font(e.PrintCell.Font.FontFamily, 7F);
           e.PrintCell.EnableHtmlTextRendering = !e.Column.DisableHTMLRendering;
           e.PrintCell.TextPadding = new Padding(5);
         
       }

If i set EnableHtmlTextRendering = false the padding (set in the printstyle or on cell-level) is used as expected.

 

 

Kind regards,

Andreas

Andreas Haeusler
Top achievements
Rank 2
 answered on 25 May 2016
1 answer
87 views

//GanttView PreviewDragStart

private void DragDropService_PreviewDragStart(object sender, PreviewDragStartEventArgs e)
{

if (e.DragInstance is GanttViewTaskElement)
      {
        e.CanStart = true;  

//want to get start and end datetime
      }

}

From above event how can i get Start and End datetime from e.DragInstance

Dess | Tech Support Engineer, Principal
Telerik team
 answered on 25 May 2016
4 answers
349 views
I'm trying to display a struct in a RadPropertyGrid (similar to the "Padding" item in the "First Look" example), but for some reason items in the struct is not displayed as an expandable item like in the "First Look" example. Instead, the value of my PropertyStoreItem is just set to a string containing namespace of my struct (see the attached screenshot). Here is the struct I'm trying to use:

namespace DSI.WorkFlow
{
    struct SearchItem
    {
        string fromField;
        string toField;
 
        [Description("Search value.")]
        [Category("Search Fields")]
        [DefaultValue(null)]
        [Browsable(true)]
        public string FromField
        {
            get
            {
                return this.fromField;
            }
            set
            {
                this.fromField = value;
            }
        }
 
        [Description("Search value.")]
        [Category("Search Fields")]
        [DefaultValue(null)]
        [Browsable(true)]
        public string ToField
        {
            get
            {
                return this.toField;
            }
            set
            {
                this.toField = value;
            }
        }
    }
}


Do you have any idea what I'm missing?
Dess | Tech Support Engineer, Principal
Telerik team
 answered on 25 May 2016
1 answer
134 views

I use the following code in print, but logo is not displayed:

RadPrintDocument document = new RadPrintDocument();
document.Logo = pictureBox1.Image;
document.RightHeader = "Right header";
document.AssociatedObject = grid;
RadPrintPreviewDialog preview = new RadPrintPreviewDialog(document);
preview.Show();

Dess | Tech Support Engineer, Principal
Telerik team
 answered on 25 May 2016
3 answers
157 views

Dear Telerik,

I have RadPivotGrid and a RadChartView,

on formload, I have

           this.radChartView2.DataSource = this.radPivotGrid1;

and everything works fine.

However, I want the chart to appear on chartview automatically when the  form loads instead of having to select the data on the PivotGrid manualy using mouse.

I was trying to prgramatically use a method like selectall to force the chart to appear on the chartview but aparently there is no selectAll method in RadPivotGrid.

Your help is highly appreciated.

Thanks.

 

 

Stefan
Telerik team
 answered on 25 May 2016
1 answer
127 views

Hello.

I'm using VirtualGrid as a calendar with months as columns and days as rows. The default selection mode is row-wise. I'd like to change it column-wise.

Let's say I select a range in the grid from 1st of feb (rowindex 0, columnindex 1) to 2nd of march (row 1, col 2). The selected cells are (0,1) (0,2) (1,1) (1,2). In my grid the selected cells should be (0,1) to (0,28) (1,1) (1,2).

I tried to implement the SelectionChanging event but I didn't got it working. Neither the actual selection is canceled nor the new selection is executed.

    Private Sub RadVirtualGrid1_SelectionChanging(sender As Object, e As VirtualGridSelectionChangingEventArgs) Handles RadVirtualGrid1.SelectionChanging

        If e.SelectionAction = VirtualGridSelectionAction.ExtendSelection Then
            If RadVirtualGrid1.Selection.SelectedRegion.Left <> RadVirtualGrid1.Selection.SelectedRegion.Right Then
                e.Cancel = True
                Dim first_top As Integer = RadVirtualGrid1.Selection.SelectedRegion.Top
                Dim last_bottom As Integer = RadVirtualGrid1.Selection.SelectedRegion.Bottom

                Dim curr_top As Integer = first_top
                Dim curr_bottom = ROW_OFFSET + 31
                For col As Integer = RadVirtualGrid1.Selection.SelectedRegion.Left To RadVirtualGrid1.Selection.SelectedRegion.Right
                    RadVirtualGrid1.Selection.BeginSelection(curr_top, col, RadVirtualGrid1.Selection.SelectedRegion.ViewInfo, True)
                    RadVirtualGrid1.Selection.ExtendCurrentRegion(curr_bottom, col)

                    curr_top = ROW_OFFSET
                    If col = RadVirtualGrid1.Selection.SelectedRegion.Right - 1 Then
                        curr_bottom = last_bottom
                    End If
                Next

            End If
        End If

    End Sub

Best regards,

Ronald

Dimitar
Telerik team
 answered on 25 May 2016
1 answer
176 views

using the Drag Drop Service i cant get the e.HitTarget to return true no matter what propertygrid reference i use must be missing something here.

basically i just want to recreate the propertygrid items when a GridDataRowElement is dragged onto a propertygrid.

 

private void svc_PreviewDragOver(object sender, RadDragOverEventArgs e)
{

if (e.DragInstance is GridDataRowElement)
{
e.CanDrop = e.HitTarget is PropertyGridElement;
}
}

Dess | Tech Support Engineer, Principal
Telerik team
 answered on 24 May 2016
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